Analysis
- max time kernel
129s - max time network
123s - platform
windows10_x64 - resource
win10v20210408 - submitted
06/09/2021, 04:26
General
- Target SOA.exe
- Size 1.1MB
- Sample210906-e2jegshhh6
- SHA256 9f96fa8b66d1dc7bc1caaaf5e0fb241266e2242013d8335c5e2921446c96dd0a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.diva-italia.com
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Port
587
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Username
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Password
rr.@%5LjgLz7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yhxKPmzB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF293.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Adds Run key to start application
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/776-121-0x0000000004BA0000-0x000000000509E000-memory.dmp
memory/776-117-0x00000000050A0000-0x00000000050A1000-memory.dmp
memory/776-118-0x0000000004C40000-0x0000000004C41000-memory.dmp
memory/776-119-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/776-120-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/776-114-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/776-122-0x0000000004580000-0x000000000458E000-memory.dmp
memory/776-123-0x00000000068A0000-0x000000000692B000-memory.dmp
memory/776-124-0x0000000006930000-0x0000000006978000-memory.dmp
memory/776-116-0x0000000004B00000-0x0000000004B01000-memory.dmp
memory/3988-127-0x0000000000400000-0x000000000043C000-memory.dmp